Home / 26,099.91-39,149.87-6,378.44

Finding the Fourth Proportional to 26,099.91, 39,149.87 and 6,378.44

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Solution

The fourth proportional to 26,099.91, 39,149.87 and 6,378.44 is: 9,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,099.91 : 39,149.87 = 6,378.44 : x
  2. Step 2: Convert to fraction form
    26,099.91/39,149.87 = 6,378.44/x
  3. Step 3: Cross multiply
    26,099.91x = 39,149.87 × 6,378.44
  4. Step 4: Simplify right side
    26,099.91x = 249,714,869.16
  5. Step 5: Solve for x
    x = 249,714,869.16/26,099.91
  6. Step 6: Final answer
    x = 9,567.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.